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SubjectRe: [2.5.54 - Oops] CPUFreq [Was: Re: [2.5.54] OOPS: unable to handle kernel paging request]
Date
Hello,

Good news !
Using the patch :
http://www.brodo.de/cpufreq/cpufreq-2.5.54-p4-1
it is now booting fine !

1 [11:40] rol@donald:~> cat /proc/cpufreq
minimum CPU frequency - maximum CPU frequency - policy
CPU 0 302902 kHz ( 12 %) - 2423222 kHz (100 %) -
performance

Cool...

Paul Rolland, rol@as2917.net

> -----Original Message-----
> From: linux-kernel-owner@vger.kernel.org
> [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Paul Rolland
> Sent: Sunday, January 05, 2003 10:26 AM
> To: 'Steven Barnhart'; 'Mark Hahn'
> Cc: linux-kernel@vger.kernel.org
> Subject: [2.5.54 - Oops] CPUFreq [Was: Re: [2.5.54] OOPS:
> unable to handle kernel paging request]
>
>
> Hello,
>
> I've got it running my serial console. Full trace at boot time is :
> SBF: Simple Boot Flag extension found and enabled.
> SBF: Setting boot flags 0x1
> cpufreq: P4/Xeon(TM) CPU On-Demand Clock Modulation available
> divide error: 0000
> CPU: 0
> EIP: 0060:[<c01151bb>] Not tainted
> EFLAGS: 00010246
> Unable to handle kernel paging request at virtual address
> ffffff8d printing eip: c012ebcf *pde = 00001067 *pte = 00000000
> Oops: 0002
> CPU: 0
> EIP: 0060:[<c012ebcf>] Not tainted
> EFLAGS: 00010006
>
> and ksymoops says :
> 8 [10:21] rol@donald:~> ksymoops -v /usr/src/linux/vmlinux -K
> -m /boot/System.map-2.5.54 <oops-cpufreq2 ksymoops 2.4.8 on
> i686 2.4.20. Options used
> -v /usr/src/linux/vmlinux (specified)
> -K (specified)
> -l /proc/modules (default)
> -o /lib/modules/2.4.20/ (default)
> -m /boot/System.map-2.5.54 (specified)
>
> No modules in ksyms, skipping objects
> No ksyms, skipping lsmod
> CPU: 0
> EIP: 0060:[<c01151bb>] Not tainted
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00010246
> Unable to handle kernel paging request at virtual address
> ffffff8d c012ebcf *pde = 00001067
> Oops: 0002
> CPU: 0
> EIP: 0060:[<c012ebcf>] Not tainted
> EFLAGS: 00010006
> Warning (Oops_read): Code line not seen, dumping what data is
> available
>
>
> >>EIP; c01151bb <time_cpufreq_notifier+14f/208> <=====
> >>EIP; c012ebcf <kallsyms_lookup+df/194> <=====
>
>
> 1 warning issued. Results may not be reliable.
>
> Problem is that ksymoops seems to decode the paging request
> fault, not the 0 divide error...
>
> This comes from a plain 2.5.54 kernel, no patches applied.
>
> Dominik, you told me last week, with 2.5.53, that a patch was
> to be used.
> Is it included in 2.5.54 ?
> If not, forget this mail... just tell me, I'll apply the
> patch and I'll tell you if it's better.
>
> Regards,
> Paul
>
>
> > -----Original Message-----
> > From: linux-kernel-owner@vger.kernel.org
> > [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of
> > Steven Barnhart
> > Sent: Friday, January 03, 2003 10:06 PM
> > To: Mark Hahn
> > Cc: linux-kernel@vger.kernel.org
> > Subject: Re: [2.5.54] OOPS: unable to handle kernel paging request
> >
> >
> > On Fri, 2003-01-03 at 10:48, Mark Hahn wrote:
> > > it's not very meaningful: some part of the kernel tried
> > dereferencing
> > > a null pointer (as it happens, with a negative offset, such as you
> > > might expect from a variable sitting in the stack). the
> > negativeness
> > > is not surprising, and the value of the offset would
> depend on your
> > > cpu/compiler/config.
> >
> > Well I have a Intel Celeron 1.06 GHz (i686). 384MB ram, gcc
> > 3.2 (redhat 8 release). I don't really know how to decode it
> > since I have no serial console hookups...anything paticualr I
> > could get from the oops report during bootup? i.e. what
> > sections to copy?
> >
> > --
> > Steven
> > sbarn03@softhome.net
> > GnuPG Fingerprint: 9357 F403 B0A1 E18D 86D5 2230 BB92 6D64
> D516 0A94
> >
> > -
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